PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6814Washer,key

Prestolite Electric Inc · NSN 5310-00-274-9251 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-274-9251 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-274-9251. Primary manufacturer part number: 6814.
Features
  • Washer,key — FSC 5310
  • Surface Treatment Document and Classification: AN-P-61 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Hole Diameter: 0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
  • Material: STEEL COMP 1010 OVERALL
  • Outside Diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Overall Distance Including Keys: 0.625 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-274-9251, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-274-9251
Primary Part Number6814
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Surface Treatment Document and ClassificationAN-P-61 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Hole Diameter0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
MaterialSTEEL COMP 1010 OVERALL
Outside Diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Overall Distance Including Keys0.625 INCHES NOMINAL IN
External Straight Key Length0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
Material Thickness0.028 INCHES NOMINAL IN
Style DesignatorKEY
External Straight Key Width0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
Peening Key Length0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8010-00-171-1518 INTERCHANGEABLE
Primer Coating
5305-00-206-98516814 INTERCHANGEABLE
Screw,externally Relieved Body
Telemechanics Inc
5950-00-234-03649-91-58 INTERCHANGEABLE
Coil,electrical
Eaton Corp Opns & Technical Center
6105-00-327-39826814 INTERCHANGEABLE
Motor,alternating Current
Instruments and Flight Research, Inc.
4720-00-376-17746814 INTERCHANGEABLE
Hose Assembly,nonmetallic
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5995-00-491-35826814 INTERCHANGEABLE
Cable Assembly,radio Frequency
Spencer Industries Inc
5935-00-578-4735260 INTERCHANGEABLE
Plug,telephone
Switchcraft Inc.
5310-00-641-9082 INTERCHANGEABLE
Washer,flat
5950-00-815-99106814 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5960-00-825-4473 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
6814 Prestolite Electric Inc (USA)
6814 Prestolite Electric Inc (USA)
Related Parts
8010-00-171-1518INTERCHANGEABLE
PRIMER COATING
5305-00-206-9851INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
6814
5950-00-234-0364INTERCHANGEABLE
COIL,ELECTRICAL
9-91-58
6105-00-327-3982INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6814
4720-00-376-1774INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6814
5995-00-491-3582INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
6814
5935-00-578-4735INTERCHANGEABLE
PLUG,TELEPHONE
260
5310-00-641-9082INTERCHANGEABLE
WASHER,FLAT
5950-00-815-9910INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6814
5960-00-825-4473INTERCHANGEABLE
ELECTRON TUBE
4820-01-136-6536INTERCHANGEABLE
VALVE,CHECK
681-4-PL-0884-C
2510-01-183-4836INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
22007750

Frequently Asked Questions

What is NSN 5310-00-274-9251?

NSN 5310-00-274-9251 is a Washer,key, manufactured by Prestolite Electric Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-274-9251?

NSN 5310-00-274-9251 has 2 cross-referenced part numbers: 6814 (Prestolite Electric Inc), 6814 (Prestolite Electric Inc).

What NSN replaces 5310-00-274-9251?

There are 12 known substitutes for 5310-00-274-9251: 8010-00-171-1518, 5305-00-206-9851, 5950-00-234-0364 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6814?

Key specifications for 6814: Surface Treatment Document and Classification: AN-P-61 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL; Hole Diameter: 0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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